4
1 2
3
3
4
6
7
7
8
9
10
10
11
11
12
12
13
14
14
14
14
15
15
16
16
17
17
17 17
18
18
19 19
20 20
21
21
22 22
23
23
24
24
24
24
26
26
25
25
25
25
29
29
32
32
33
33
A
27
27
36
5
36
5
A
A
A
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
B
B
B
B
C
C
C
C
D
D
D
D
E
E
E
E
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F F F
F
F F
F
F
F
F
G
G
G
G
G
G
G
G
H
H
I
I
J K
